479
FXUS65 KBYZ 280730
AFDBYZ
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
130 AM MDT TUE JUL 28 2026
KEY MESSAGES
- HOT AND MOSTLY DRY CONDITIONS CONTINUE THIS WEEK.
- SMOKE CONTINUES ACROSS THE REGION THIS WEEK, REDUCTIONS TO
VISIBILITY AND AIR QUALITY ARE POSSIBLE.
- ISOLATED STRONG THUNDERSTORMS IN SOUTHEAST MONTANA WEDNESDAY
AFTERNOON AND EVENING CAPABLE OF PRODUCING WIND GUSTS OF 65 MPH.
- DAILY CHANCE (10-30%) FOR AFTERNOON AND EVENING SHOWERS AND
THUNDERSTORMS THROUGH THE WEEK.
DISCUSSION
TODAY THROUGH MONDAY...
ISOLATED TO SCATTERED SHOWERS AND A WEAK THUNDERSTORM OR TWO WILL
CONTINUE EASTWARD EARLY THIS MORNING. ADDITIONAL CONVECTION IS
SHOWN BY THE LATEST HIRES DEVELOPING THROUGH SUNRISE AND PUSHING
EASTWARD. A FEW STORMS WILL BE CAPABLE OF PRODUCING GUSTS UP TO 50
MPH AND BRIEF HEAVY RAINFALL THROUGH THIS AFTERNOON AND EVENING.
WILDFIRE SMOKE CONTINUES ACROSS THE REGION, BRINGING REDUCTIONS TO
VISIBILITY AND AIR QUALITY FOR PORTIONS OF SOUTHERN MONTANA AND
NORTHERN WYOMING. THE SMOKE HAS HAD AN EFFECT ON DAILY HIGHS WITH
TEMPERATURES BEING A FEW DEGREES COOLER THAN MODELS. BECAUSE OF
THIS, HEAT PRODUCTS FOR TOMORROW HAVE BEEN CANCELLED AS THE HIGH
TEMPERATURES ARE NOT RESULTING IN MAJOR OR EXTREME HEATRISK.
LOOK FOR DAILY AFTERNOON/EVENING SHOWER AND THUNDERSTORM CHANCES
THROUGH THE END OF THE WEEK. THERE IS A BETTER SIGNAL FOR STRONG
TO SEVERE THUNDERSTORMS OVER SOUTHEASTERN MT ALONG THE DAKOTAS
BORDER FOR WEDNESDAY. THE PRIMARY CONCERNS WILL BE STRONG TO
SEVERE WIND GUSTS UP TO 65 MPH.
MATOS
AVIATION
ISOLATED TO SCATTERED SHOWERS AND WEAK THUNDERSTORMS WILL
GRADUALLY MOVE EAST THROUGH SOUTHERN MONTANA AND NORTHERN WYOMING
THROUGH THE MORNING HOURS. AN ADDITIONAL ROUND OF ISOLATED TO SCATTERED
SHOWERS AND THUNDERSTORMS ARE THEN FORECAST THIS AFTERNOON AND
EVENING OVER CENTRAL/SOUTHERN MONTANA AND NORTHERN WYOMING, MOVING
FROM WEST TO EAST. WITH THIS ACTIVITY, GUSTY AND ERRATIC WINDS
ARE THE MAIN THREAT. WIND GUSTS OF 40-50 KTS ARE POSSIBLE WITH THE
STRONGEST ACTIVITY.
SMOKE FROM DISTANT WILDFIRES WILL CONTINUE TO REDUCE SLANT RANGE
VISIBILITY THROUGH THE PERIOD. SURFACE VISIBILITY WILL BE REDUCED
BELOW 10SM AT TIMES AS WELL, WITH OCCASIONAL MVFR REDUCTIONS. STP
PRELIMINARY POINT TEMP/POPS
TDY WED THU FRI SAT SUN MON
-------------------------------------------------------
BIL 097 066/096 065/098 066/099 066/104 070/099 062/085
2/T 23/T 21/U 10/U 00/G 00/U 00/U
LVM 094 058/092 056/096 058/100 058/104 061/099 052/085
3/T 22/T 21/U 10/U 00/G 00/U 10/U
HDN 099 065/098 063/098 063/101 063/105 068/100 061/086
2/T 23/T 31/U 10/G 00/G 00/U 00/U
MLS 099 070/101 068/097 066/099 067/104 075/101 065/087
2/T 22/T 42/W 11/U 00/G 00/G 10/U
4BQ 097 069/099 067/095 065/098 066/101 072/100 066/086
2/T 24/T 51/U 21/U 10/G 00/U 10/U
BHK 096 066/101 064/094 061/097 062/101 068/103 063/087
2/T 13/T 43/T 11/U 10/G 00/G 20/U
SHR 096 062/095 060/095 060/097 061/101 065/099 059/087
2/T 23/T 32/T 11/U 00/G 00/U 00/U
BYZ WATCHES/WARNINGS/ADVISORIES
MT...NONE.
WY...NONE.
WEATHER.GOV/BILLINGS
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